From: Michal Hocko <mhocko@kernel.org> To: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-mm@kvack.org, Vlastimil Babka <vbabka@suse.cz>, Johannes Weiner <hannes@cmpxchg.org>, Mel Gorman <mgorman@suse.de>, Andrew Morton <akpm@linux-foundation.org>, LKML <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 1/4] s390: get rid of superfluous __GFP_REPEAT Date: Wed, 8 Mar 2017 15:11:10 +0100 [thread overview] Message-ID: <20170308141110.GL11028@dhcp22.suse.cz> (raw) In-Reply-To: <20170308082340.GB12158@osiris> On Wed 08-03-17 09:23:40, Heiko Carstens wrote: > On Tue, Mar 07, 2017 at 04:48:40PM +0100, Michal Hocko wrote: > > From: Michal Hocko <mhocko@suse.com> > > > > __GFP_REPEAT has a rather weak semantic but since it has been introduced > > around 2.6.12 it has been ignored for low order allocations. > > > > page_table_alloc then uses the flag for a single page allocation. This > > means that this flag has never been actually useful here because it has > > always been used only for PAGE_ALLOC_COSTLY requests. > > > > An earlier attempt to remove the flag 10d58bf297e2 ("s390: get rid of > > superfluous __GFP_REPEAT") has missed this one but the situation is very > > same here. > > > > Cc: Heiko Carstens <heiko.carstens@de.ibm.com> > > Signed-off-by: Michal Hocko <mhocko@suse.com> > > --- > > arch/s390/mm/pgalloc.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > FWIW: > Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Thanks > If you want, this can be routed via the s390 tree, whatever you prefer. Yes, that would be great. I suspect the rest will take longer to get merged or land to a conclusion. -- Michal Hocko SUSE Labs
WARNING: multiple messages have this Message-ID (diff)
From: Michal Hocko <mhocko@kernel.org> To: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux-mm@kvack.org, Vlastimil Babka <vbabka@suse.cz>, Johannes Weiner <hannes@cmpxchg.org>, Mel Gorman <mgorman@suse.de>, Andrew Morton <akpm@linux-foundation.org>, LKML <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 1/4] s390: get rid of superfluous __GFP_REPEAT Date: Wed, 8 Mar 2017 15:11:10 +0100 [thread overview] Message-ID: <20170308141110.GL11028@dhcp22.suse.cz> (raw) In-Reply-To: <20170308082340.GB12158@osiris> On Wed 08-03-17 09:23:40, Heiko Carstens wrote: > On Tue, Mar 07, 2017 at 04:48:40PM +0100, Michal Hocko wrote: > > From: Michal Hocko <mhocko@suse.com> > > > > __GFP_REPEAT has a rather weak semantic but since it has been introduced > > around 2.6.12 it has been ignored for low order allocations. > > > > page_table_alloc then uses the flag for a single page allocation. This > > means that this flag has never been actually useful here because it has > > always been used only for PAGE_ALLOC_COSTLY requests. > > > > An earlier attempt to remove the flag 10d58bf297e2 ("s390: get rid of > > superfluous __GFP_REPEAT") has missed this one but the situation is very > > same here. > > > > Cc: Heiko Carstens <heiko.carstens@de.ibm.com> > > Signed-off-by: Michal Hocko <mhocko@suse.com> > > --- > > arch/s390/mm/pgalloc.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > FWIW: > Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Thanks > If you want, this can be routed via the s390 tree, whatever you prefer. Yes, that would be great. I suspect the rest will take longer to get merged or land to a conclusion. -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-03-08 14:11 UTC|newest] Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-07 15:48 [RFC PATCH 0/4 v2] mm: give __GFP_REPEAT a better semantic Michal Hocko 2017-03-07 15:48 ` Michal Hocko 2017-03-07 15:48 ` [PATCH 1/4] s390: get rid of superfluous __GFP_REPEAT Michal Hocko 2017-03-07 15:48 ` Michal Hocko 2017-03-08 8:23 ` Heiko Carstens 2017-03-08 8:23 ` Heiko Carstens 2017-03-08 14:11 ` Michal Hocko [this message] 2017-03-08 14:11 ` Michal Hocko 2017-03-09 8:27 ` Heiko Carstens 2017-03-09 8:27 ` Heiko Carstens 2017-03-07 15:48 ` [RFC PATCH 2/4] mm, tree wide: replace __GFP_REPEAT by __GFP_RETRY_MAYFAIL with more useful semantic Michal Hocko 2017-03-07 15:48 ` Michal Hocko 2017-05-25 1:21 ` NeilBrown 2017-05-31 11:42 ` Michal Hocko 2017-05-31 11:42 ` Michal Hocko 2017-06-03 2:24 ` Wei Yang 2017-06-05 6:43 ` Michal Hocko 2017-06-05 6:43 ` Michal Hocko 2017-06-06 3:04 ` Wei Yang 2017-06-06 12:03 ` Michal Hocko 2017-06-06 12:03 ` Michal Hocko 2017-06-07 2:10 ` Wei Yang 2017-06-09 7:32 ` Michal Hocko 2017-06-09 7:32 ` Michal Hocko 2017-03-07 15:48 ` [RFC PATCH 3/4] xfs: map KM_MAYFAIL to __GFP_RETRY_MAYFAIL Michal Hocko 2017-03-07 15:48 ` Michal Hocko 2017-03-07 17:05 ` Darrick J. Wong 2017-03-07 17:05 ` Darrick J. Wong 2017-03-08 9:35 ` Michal Hocko 2017-03-08 9:35 ` Michal Hocko 2017-03-08 11:23 ` Tetsuo Handa 2017-03-08 11:23 ` Tetsuo Handa 2017-03-08 12:54 ` Michal Hocko 2017-03-08 12:54 ` Michal Hocko 2017-03-08 15:06 ` Christoph Hellwig 2017-03-08 15:06 ` Christoph Hellwig 2017-03-09 9:16 ` Michal Hocko 2017-03-09 9:16 ` Michal Hocko 2017-03-07 15:48 ` [RFC PATCH 4/4] mm: kvmalloc support __GFP_RETRY_MAYFAIL for all sizes Michal Hocko 2017-03-07 15:48 ` Michal Hocko 2017-05-16 9:10 ` [RFC PATCH 0/4 v2] mm: give __GFP_REPEAT a better semantic Michal Hocko 2017-05-16 9:10 ` Michal Hocko 2017-05-23 8:12 ` Vlastimil Babka 2017-05-23 8:12 ` Vlastimil Babka 2017-05-24 1:06 ` NeilBrown 2017-05-24 7:34 ` Michal Hocko 2017-05-24 7:34 ` Michal Hocko
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